64045900

素因数分解:

$2^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{4889}}^1$

素因数の和:5034

約数の個数: 36

約数和(自身を含む): 140069160

約数和(自身を除く): 76023260

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 131, 262, 524, 655, 1310, 2620, 3275, 4889, 6550, 9778, 13100, 19556, 24445, 48890, 97780, 122225, 244450, 488900, 640459, 1280918, 2561836, 3202295, 6404590, 12809180, 16011475, 32022950, 64045900]

約数ペア:

[(1, 64045900), (2, 32022950), (4, 16011475), (5, 12809180), (10, 6404590), (20, 3202295), (25, 2561836), (50, 1280918), (100, 640459), (131, 488900), (262, 244450), (524, 122225), (655, 97780), (1310, 48890), (2620, 24445), (3275, 19556), (4889, 13100), (6550, 9778)]